How to Build Chords

Major triad

1-3-5

Minor triad

1-3b-5

Diminished triad

1-3b-5b

Augmented triad

1-3-5#

Suspended 2nd triad

1-2-5

Suspended 4th triad

1-4-5

Major 6th

1-3-5-6

Minor 6th

1-3b-5-6

Major 6th (flat 5)

1-3-5b-6

Major 7th

1-3-5-7

Minor 7th

1-3b-5-7b

Dominant 7th

1-3-5-7b

Minor/major 7th

1-3b-5-7

Minor 7th (flat 5)

1-3b-5b-7b

Diminished 7th

1-3b-5b-7bb

Augmented 7th

1-3-5#-7b

Augmented/major 7th

1-3-5#-7

Dominant 7th (flat 5)

1-3-5b-7b

Dominant 7th (suspended 2nd)

1-2-5-7b

Dominant 7th (suspended 4th)

1-4-5-7b

Major 9th

1-3-5-7-9

Major 13th

1-3-5-7-9-13

Minor 9th

1-3b-5-7b-9

Minor 11th

1-3b-5-7b-9-11

Minor 13th

1-3b-5-7b-9-13

Dominant 9th

1-3-5-7b-9

Dominant 11th

1-5-7b-9-11

Add9

1-3-5-9